2.5.
3.7.1 1
- :
1) 509 /;
2) 12 ;
3) 53 % 0.074 ;
4) 85 % 0.074 ;
5) . 17;
6) 0.074 7 %;
7) , .
Ж3231 :
1) 16 ;
2) 50 % 0.074 ;
3) 85 % 0.074 ;
4) . 10;
5) 1.73 /(3 * ), 1.27 /(3 * ) ( ֖2130).
:
V = Q0/(2.5÷3) = 509/(2.5÷3) = 203.6÷169.7 3.
, ( ), .
:
1) Ж5565 V = 141 3;
2) Ж4565 V = 86 3;
3) Ж4550 V = 71 3;
4) Ж4050 V = 55 3.
(79):
q-74 = q * K * K * K * KD * KL * Kφ * Kψ, /(3*).
Ж5565.
(80) - (38):
K = Kf / Kf = 0.88 / 1.41 = 0.62.
(81) - (39):
K = m2 / m1 = 0.99 / 0.975 = 1.015.
= 1.0, .. .
Kφ Kψ 1.0, .. , .
KD (82):
___________ ____________
/ D 0.15 / 5.5 0.15
KD = \ / ---------------- = \ / ----------------- = 1.32.
\/ D 0.15 \/ 3.2 0.15
KL (83):
/ L \ 0.15 / 6.5 \ 0.15
KL = (------) = (--------) = 1.12.
\ L / \ 3.1 /
Ж5565 :
|
|
q-74 = 1.73 * 0.62 * 1.015 * 1.0 * 1.32 * 1.12 * 1.0 * 1.0 = 1.61 /(3*).
KD KL.
Ж4565:
___________ ____________
/ D 0.15 / 4.5 0.15
KD = \ / ---------------- = \ / ----------------- = 1.19.
\/ D 0.15 \/ 3.2 0.15
/ L \ 0.15 / 6.5 \ 0.15
KL = (------) = (--------) = 1.12.
\ L / \ 3.1 /
Ж4565 :
q-74 = 1.73 * 0.62 * 1.015 * 1.0 * 1.19 * 1.12 * 1.0 * 1.0 = 1.45 /(3*).
Ж4550:
___________ ____________
/ D 0.15 / 4.5 0.15
KD = \ / ---------------- = \ / ----------------- = 1.19.
\/ D 0.15 \/ 3.2 0.15
/ L \ 0.15 / 5.0 \ 0.15
KL = (------) = (--------) = 1.07.
\ L / \ 3.1 /
Ж4550 :
q-74 = 1.73 * 0.62 * 1.015 * 1.0 * 1.19 * 1.07 * 1.0 * 1.0 = 1.39 /(3*).
Ж4050:
___________ ____________
/ D 0.15 / 4.0 0.15
KD = \ / ---------------- = \ / ----------------- = 1.12.
\/ D 0.15 \/ 3.2 0.15
/ L \ 0.15 / 5.0 \ 0.15
KL = (------) = (--------) = 1.07.
\ L / \ 3.1 /
Ж4050 :
q-74 = 1.73 * 0.62 * 1.015 * 1.0 * 1.12 * 1.07 * 1.0 * 1.0 = 1.30 /(3*).
(87) :
Ж5565:
q74 * V 1.61 * 141
Q = ------------------ = ------------------ = 493.5 /;
β74 β74 0.53 0.07
Ж4565:
q74 * V 1.45 * 86
Q = ------------------ = ------------------ = 271.1 /;
β74 β74 0.53 0.07
Ж4550:
q74 * V 1.39 * 71
Q = ------------------ = ------------------ = 214.5 /;
β74 β74 0.53 0.07
Ж4050:
q74 * V 1.30 * 55
Q = ------------------ = ------------------ = 155.4 /.
β74 β74 0.53 0.07
:
Ж5565: N = 509/493.5 = 2 ., = 509/(2*493.5) = 0.52;
Ж4565: N = 509/271.1 = 2 ., = 509/(2*271.1) = 0.94;
Ж4550: N = 509/214.5 = 3 ., = 509/(3*214.5) = 0.79;
Ж4050: N = 509/155.4 = 4 ., = 509/(4*155.4) = 0.82.
(87):
Ж5565: 509*(1 + 2.8)/(2*141) = 6.85 (6.85<12);
Ж4555: 509*(1 + 2.8)/(2*86) = 11.25 (11.25<12);
Ж4550: 509*(1 + 2.8)/(3*71) = 9.08 (9.08<12);
Ж4050: 509*(1 + 2.8)/(4*55) = 8.79 (8.79<12).
41.
41
-, . | , | , /(3*) | |||
Ж5565 | 6.85 | 0.52 | |||
Ж4565 | 11.25 | 0.94 | |||
Ж4550 | 9.08 | 0.79 | |||
Ж4050 | 8.79 | 0.82 |
41 , Ж4565, .
|
|
3.7.2 I
( II) Ė2200, (d = 12 ).
.17 5 (d2 = 5 ).
d1 ( 12). 6.
3 :
(0.6÷1.0)*d = (0.6÷1.0)*12 = (7.2÷12) 32 %;
(0.4÷0.6)*d = (0.4÷0.6)*12 = (4.8÷7.2) 26 %;
(0.2÷0.4)*d = (0.2÷0.4)*12 = (2.4÷4.8) 23 %;
(0÷0.2)*d = (0÷0.2)*12 = (0÷2.4) 19 %.
(93) :
7.2+12 4.8+7.2 2.4+4.8 0+2.4
-----------*32 + -----------*26 + ------------*23 + ---------*19
2 2 2 2
d = --------------------------------------------------------------------------- = 5.7 .
32 + 26 + 23 + 19
(92) :
Q2/Q1 = (d1/d2)0.25 = (5.7/5.0)0.25 = 1.033,
.., 1.033 .
:
Ж5565 Q = 493.5*1.033 = 509.8 /;
Ж4565 Q = 271.1*1.033 = 280.0 /;
Ж4550 Q = 214.5*1.033 = 221.6 /;
Ж4050 Q = 155.4*1.033 = 160.5 /.
:
Ж5565: N = 509/509.8 = 1 ., = 509/(1*509.8) = 0.998,
N = 2 . = 509/(2*509.8) = 0.499;
Ж4565: N = 509/280.0 = 2 ., = 509/(2*280.0) = 0.91;
Ж4550: N = 509/221.6 = 3 ., = 509/(3*221.6) = 0.77;
Ж4050: N = 509/160.5 = 4 ., = 509/(4*160.5) = 0.79.
42.
42
-, . | , | , /(3*) | |||
Ж5565 | 6.85 | 0.499 | |||
Ж4565 | 11.25 | 0.91 | |||
Ж4550 | 9.08 | 0.77 | |||
Ж4050 | 8.79 | 0.79 |
, Ж4565.